Finding the Third Proportional to 4,270,309 and 9,222,535

Step by Step Solution

1. Step 1: Write the proportion equation
   4,270,309 : 9,222,535 = 9,222,535 : x
2. Step 2: Convert to fraction form
   4,270,309/9,222,535 = 9,222,535/x
3. Step 3: Cross multiply
   4,270,309x = 9,222,535 × 9,222,535
4. Step 4: Simplify right side
   4,270,309x = 85,055,151,826,225
5. Step 5: Solve for x
   x = 85,055,151,826,225/4,270,309
6. Step 6: Final answer
   x = 19,917,797.95